Kansas City Police Department(KANSAS CITY, Mo.) — The man suspected of shooting at cars as they traveled on Kansas City, Mo., highways in recent weeks has been identified and charged with 18 felonies, authorities announced Friday.

Mohammad Whitaker, 27, is accused of shooting into at least nine cars, injuring two of the drivers, in incidents dating to the beginning of March.

Kansas City prosecutor Jean Peters Baker said at a press conference that police first realized there might be a serial shooter on the loose on April 7 when an analyst with the police department pointed it out. The department quickly mobilized an investigation involving other area police departments, the FBI, and the Bureau of Alcohol, Tobacco, Firearms and Explosives.

Witness reports helped point police toward Whitaker, whom they surveilled during the last week, authorities said.

Police arrested Whitaker Thursday night in Grandview, Mo., using SWAT teams to surround his house before taking him into custody.

Whitaker is charged with two class A felonies for shooting and injuring someone in a car, seven class B felonies for shooting into cars, and nine charges of armed criminal action. He is being held on $1 million cash bond.

Baker said she is confident that Whitaker is the only person responsible for the shootings that set Kansas City drivers’ nerves on edge.

“Residents are safe…we have a person in custody,” Police Chief Darryl Forté said after the arrest.